By default, which virtual MAC address does HSRP group 30 use?
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Correct answer: 00:00:0c:07:ac:1e.
Why this is the answer
The correct answer is 00:00:0c:07:ac:1e. HSRP (Hot Standby Router Protocol) uses a specific virtual MAC address format: 00:00:0c:07:ac:XX, where XX is the HSRP group number in hexadecimal. For HSRP group 30, the hexadecimal representation of 30 is 1e. Therefore, the virtual MAC address is 00:00:0c:07:ac:1e. The other options do not follow this standard HSRP MAC address format. 05:0c:5e:ac:07:30 is not a standard HSRP MAC. 00:43:19:74:89:1e is not a standard HSRP MAC. 00:05:0c:07:ac:30 incorrectly uses 30 as decimal instead of hexadecimal.
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